Mechanical Marvels by member InThrustITrustThe dangling, sliding and screaming bits! Detailed pics of all the engineering marvels that allow these beautiful birds to fly through the air and return to mother earth safely...

Facelift by member September11 Wingtip devices are usually intended to improve the efficiency of fixed-wing aircraft. The intended effect of winglets is to reduce the aircraft's drag by altering the airflow near the wingtips.